org.codehaus.groovy.runtime.callsite.ConstructorMetaMethodSite Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.codehaus.groovy.runtime.callsite;
import groovy.lang.GroovyRuntimeException;
import groovy.lang.MetaClassImpl;
import groovy.lang.MetaMethod;
import org.codehaus.groovy.runtime.MetaClassHelper;
import org.codehaus.groovy.runtime.ScriptBytecodeAdapter;
/**
* Call site for invoking static methods
* meta class - cached
* method - not cached
*
* @author Alex Tkachman
*/
public class ConstructorMetaMethodSite extends MetaMethodSite {
private final int version;
public ConstructorMetaMethodSite(CallSite site, MetaClassImpl metaClass, MetaMethod method, Class [] params) {
super(site, metaClass, method, params);
this.version = metaClass.getVersion();
}
public final Object invoke(Object receiver, Object [] args) throws Throwable{
MetaClassHelper.unwrap(args);
try {
return metaMethod.doMethodInvoke(metaClass.getTheClass(), args);
} catch (GroovyRuntimeException gre) {
throw ScriptBytecodeAdapter.unwrap(gre);
}
}
public final Object callConstructor(Object receiver, Object[] args) throws Throwable {
if (receiver == metaClass.getTheClass() // meta class match receiver
&& ((MetaClassImpl)metaClass).getVersion() == version // metaClass still be valid
&& MetaClassHelper.sameClasses(params, args) )
{
MetaClassHelper.unwrap(args);
try {
return metaMethod.doMethodInvoke(metaClass.getTheClass(), args);
} catch (GroovyRuntimeException gre) {
throw ScriptBytecodeAdapter.unwrap(gre);
}
} else {
return CallSiteArray.defaultCallConstructor(this, receiver, args);
}
}
}